#472 Create recovery code/expiration columns and methods in data source

src/main/java/fr/xephi/authme/datasource/CacheDataSource.java

@@ -235,6 +235,24 @@ public class CacheDataSource implements DataSource {
         return source.getAllAuths();
     }
 
+    @Override
+    public void setRecoveryCode(String name, String code, long expiration) {
+        source.setRecoveryCode(name, code, expiration);
+        cachedAuths.refresh(name);
+    }
+
+    @Override
+    public String getRecoveryCode(String name) {
+        // TODO #472: can probably get it from the cached Auth?
+        return source.getRecoveryCode(name);
+    }
+
+    @Override
+    public void removeRecoveryCode(String name) {
+        source.removeRecoveryCode(name);
+        cachedAuths.refresh(name);
+    }
+
     @Override
     public List<PlayerAuth> getLoggedPlayers() {
         return new ArrayList<>(PlayerCache.getInstance().getCache().values());